advanced code snippet search

We Recommend

Pro JavaScript Techniques Pro JavaScript Techniques
Pro JavaScript Techniques is the ultimate JavaScript book for the modern web developer. It provides everything you need to know about modern JavaScript, and shows what JavaScript can do for your web sites. This book doesn't waste any time looking at things you already know, like basic syntax and structures.

Posted By

jamesming on 07/27/08


Tagged

date week


Versions (?)


get date range from week number in year

Published in: JavaScript 

Plain TextExpand 
  1. function getDateRangeOfWeek(weekNo){
  2. 		var d1 = new Date();
  3. 		numOfdaysPastSinceLastMonday = eval(d1.getDay()- 1);
  4. 		d1.setDate(d1.getDate() - numOfdaysPastSinceLastMonday);
  5. 		var weekNoToday = d1.getWeek();
  6. 		var weeksInTheFuture = eval( weekNo - weekNoToday );
  7. 		d1.setDate(d1.getDate() + eval( 7 * weeksInTheFuture ));
  8. 		var rangeIsFrom =  eval(d1.getMonth()+1)   +"/"  +  d1.getDate()  + "/"  +   d1.getFullYear();
  9. 		d1.setDate(d1.getDate() + 6);		
  10. 		var rangeIsTo = eval(d1.getMonth()+1)   +"/"  +  d1.getDate()  + "/"  +   d1.getFullYear() ;
  11. 		return rangeIsFrom + " to "+rangeIsTo;
  12. };

Report this snippet 

You need to login to post a comment.